Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a portion of a display screen with graphical user interface according to a first embodiment of our new design; and,

FIG. 2 is a front view of a portion of a display screen with graphical user interface according to a second embodiment thereof.

The wavy dashed-line rectangle illustrates the perimeter of a portion of a display screen and forms no part of the claimed design.

The flags illustrated in a faded grayscale in FIGS. 1 and 2 form no part of the claimed design.

The text shown in broken lines forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 